FR2236312B1 - - Google Patents
Info
- Publication number
- FR2236312B1 FR2236312B1 FR7417753A FR7417753A FR2236312B1 FR 2236312 B1 FR2236312 B1 FR 2236312B1 FR 7417753 A FR7417753 A FR 7417753A FR 7417753 A FR7417753 A FR 7417753A FR 2236312 B1 FR2236312 B1 FR 2236312B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
- G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
- G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/4904—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using self-synchronising codes, e.g. split-phase codes
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Dc Digital Transmission (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00375405A US3852687A (en) | 1973-07-02 | 1973-07-02 | High rate digital modulation/demodulation method |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2236312A1 FR2236312A1 (de) | 1975-01-31 |
FR2236312B1 true FR2236312B1 (de) | 1976-06-25 |
Family
ID=23480772
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7417753A Expired FR2236312B1 (de) | 1973-07-02 | 1974-05-15 |
Country Status (7)
Country | Link |
---|---|
US (1) | US3852687A (de) |
JP (1) | JPS5421046B2 (de) |
CA (1) | CA1021464A (de) |
DE (1) | DE2430685A1 (de) |
FR (1) | FR2236312B1 (de) |
GB (1) | GB1462889A (de) |
IT (1) | IT1012368B (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0059224B1 (de) * | 1980-09-05 | 1986-12-03 | Mitsubishi Denki Kabushiki Kaisha | Binäres datenkodier- und -dekodiersystem |
US4398225A (en) * | 1981-04-24 | 1983-08-09 | Iomega Corporation | Combined serializer encoder and decoder for data storage system |
US4544962A (en) * | 1981-07-06 | 1985-10-01 | Matsushita Electric Industrial Co., Ltd. | Method and apparatus for processing binary data |
NL8203575A (nl) * | 1982-09-15 | 1984-04-02 | Philips Nv | Werkwijze voor het coderen van een stroom van databits, inrichting voor het uitvoeren van de werkwijze en inrichting voor het decoderen van een stroom databits. |
US4689757A (en) * | 1983-01-17 | 1987-08-25 | Vada Systems, Inc. | Machine event processing system |
GB2141906A (en) * | 1983-06-20 | 1985-01-03 | Indep Broadcasting Authority | Recording of digital information |
US4802154A (en) * | 1983-10-13 | 1989-01-31 | Laser Magnetic Storage International Company | High density codes for optical recording |
JPS60231980A (ja) * | 1983-12-29 | 1985-11-18 | レーザー マグネテイツク ストーリツジ インターナシヨナル コンパニー | 光学記録用高密度コ−ド |
US4688016A (en) * | 1985-06-13 | 1987-08-18 | International Business Machines Corporation | Byte-wide encoder and decoder system for RLL (1,7) code |
US4833470A (en) * | 1986-07-15 | 1989-05-23 | Matsushita Electric Industrial Co., Ltd. | Code conversion apparatus |
US5392168A (en) * | 1990-08-31 | 1995-02-21 | Matsushita Electric Industrial Co., Ltd. | Method of recording digital video and audio data |
EP0644544B1 (de) * | 1993-09-21 | 1999-11-17 | STMicroelectronics S.r.l. | Hochfrequenz Dekodierer mit Pipeline-Struktur für lauflängenbegrenzte Daten |
DE69330957T2 (de) * | 1993-11-10 | 2002-04-04 | Stmicroelectronics S.R.L., Agrate Brianza | Programmierbarer RLL/NRZ-Dekoder für Einzel-/Doppel-Ausgangsdatenströme |
US6687066B1 (en) * | 1999-02-22 | 2004-02-03 | Seagate Technology Llc | Partitioning disc drive read/write electronics to improve data transfer performance |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3215779A (en) * | 1961-02-24 | 1965-11-02 | Hallicrafters Co | Digital data conversion and transmission system |
DE1211687B (de) * | 1964-11-10 | 1966-03-03 | Telefunken Patent | System zur linearen systematischen Kodierung |
FR1531644A (fr) * | 1967-05-24 | 1968-07-05 | Dispositif de transmission de données à vitesse de transmission accélérée | |
US3689899A (en) * | 1971-06-07 | 1972-09-05 | Ibm | Run-length-limited variable-length coding with error propagation limitation |
-
1973
- 1973-07-02 US US00375405A patent/US3852687A/en not_active Expired - Lifetime
-
1974
- 1974-05-15 IT IT22723/74A patent/IT1012368B/it active
- 1974-05-15 FR FR7417753A patent/FR2236312B1/fr not_active Expired
- 1974-06-18 JP JP6880174A patent/JPS5421046B2/ja not_active Expired
- 1974-06-19 GB GB2714874A patent/GB1462889A/en not_active Expired
- 1974-06-25 CA CA203,323A patent/CA1021464A/en not_active Expired
- 1974-06-26 DE DE2430685A patent/DE2430685A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
CA1021464A (en) | 1977-11-22 |
DE2430685A1 (de) | 1975-01-30 |
GB1462889A (en) | 1977-01-26 |
US3852687A (en) | 1974-12-03 |
JPS5039117A (de) | 1975-04-11 |
JPS5421046B2 (de) | 1979-07-27 |
IT1012368B (it) | 1977-03-10 |
FR2236312A1 (de) | 1975-01-31 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |